// This code is derived from jcifs smb client library <jcifs at samba dot org>
// Ported by J. Arturo <webmaster at komodosoft dot net>
//  
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
using System;

namespace SharpCifs.Smb
{
    internal class SmbComSessionSetupAndXResponse : AndXServerMessageBlock
    {
        private string _nativeOs = string.Empty;

        private string _nativeLanMan = string.Empty;

        private string _primaryDomain = string.Empty;

        internal bool IsLoggedInAsGuest;

        internal byte[] Blob;

        internal SmbComSessionSetupAndXResponse(ServerMessageBlock andx) : base(andx)
        {
        }

        internal override int WriteParameterWordsWireFormat(byte[] dst, int dstIndex)
        {
            return 0;
        }

        internal override int WriteBytesWireFormat(byte[] dst, int dstIndex)
        {
            return 0;
        }

        internal override int ReadParameterWordsWireFormat(byte[] buffer, int bufferIndex)
        {
            int start = bufferIndex;
            IsLoggedInAsGuest = (buffer[bufferIndex] & 0x01) == 0x01 
                                    ? true 
                                    : false;
            bufferIndex += 2;
            if (ExtendedSecurity)
            {
                int blobLength = ReadInt2(buffer, bufferIndex);
                bufferIndex += 2;
                Blob = new byte[blobLength];
            }
            return bufferIndex - start;
        }

        internal override int ReadBytesWireFormat(byte[] buffer, int bufferIndex)
        {
            int start = bufferIndex;
            if (ExtendedSecurity)
            {
                Array.Copy(buffer, bufferIndex, Blob, 0, Blob.Length);
                bufferIndex += Blob.Length;
            }
            _nativeOs = ReadString(buffer, bufferIndex);
            bufferIndex += StringWireLength(_nativeOs, bufferIndex);
            _nativeLanMan = ReadString(buffer, bufferIndex, start + ByteCount, 255, UseUnicode);
            bufferIndex += StringWireLength(_nativeLanMan, bufferIndex);
            if (!ExtendedSecurity)
            {
                _primaryDomain = ReadString(buffer, bufferIndex, start + ByteCount, 255, UseUnicode);
                bufferIndex += StringWireLength(_primaryDomain, bufferIndex);
            }
            return bufferIndex - start;
        }

        public override string ToString()
        {
            string result = "SmbComSessionSetupAndXResponse[" 
                                + base.ToString() 
                                + ",isLoggedInAsGuest=" + IsLoggedInAsGuest 
                                + ",nativeOs=" + _nativeOs 
                                + ",nativeLanMan=" + _nativeLanMan 
                                + ",primaryDomain=" + _primaryDomain + "]";
            return result;
        }
    }
}
